Tag Archives: "Shepard"

I’ve posted before about Shepard tones and other audio illusions, but here is another one to wrap your head around. Jean-Claude Risset, who created the Shepard-Risset Glissando (a continuous version of the Shepard tones) also produced the rhythmical equivalent – a beat that appears to get faster and faster (and faster and faster). By layering

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Illusion Songs is a great collection of auditory illusions demonstrating some of the curious ways that our brains perceive sound through the study of psychoacoustics. The collection includes Shepard Tones/Risset scales, which appear to be forever increasing in pitch, and various demonstrations of streaming, which shows how our brain collects and groups audio information together.